Science
Mechanism of Action
On the skin, Oxidized Microcrystalline Cera functions primarily as a viscosity-controlling agent, contributing to the desired rheology and feel of cosmetic products. It forms a resilient occlusive barrier on the skin's surface, which significantly reduces transepidermal water loss (TEWL), leading to enhanced moisturization and skin softening. The oxidation process generates byproducts such as fatty acids, esters, and ketones, which are believed to augment its emollient capabilities and provide a protective layer against environmental factors.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Microcrystalline wax, the base for this ingredient, demonstrates robust thermal and chemical stability, alongside inherent resistance to oxidation, making it a reliable component for high-quality cosmetic formulations.
Conflicts
- strong oxidizing agents
Safety
Safety Profile
While a specific Cosmetic Ingredient Review (CIR) report for 'Oxidized Microcrystalline Cera' is currently unavailable, its precursor, Microcrystalline Wax (Cera Microcristallina), has been deemed safe for cosmetic use at present concentrations. This safety profile is attributed to its molecular structure, which prevents skin penetration, suggesting a similarly low risk for the oxidized form. No SCCS opinion or specific maximum concentration guidelines were identified for the oxidized variant.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Oxidized Microcrystalline Cera is a valuable ingredient for improving product texture and stability while offering significant occlusive and moisturizing benefits, supported by a favorable safety profile.
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